<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<h1>b.html</h1>
<a href="http://localhost:8080/path/a.html">绝对路径跳转到a.html</a><br/>
<a href="../../a.html">默认参考路径跳转到a.html</a><br/>
<a href="/path/a.html">ip:port路径跳转a.html</a><br/>
</body>
</html>